Practice question

MCQ

Question

Which of the following statements about polymerase chain reaction (PCR) is correct?

Options

Choose one · Correct answer highlighted

PCR is used to amplify DNA sequences. Correct PCR uses DNA ligase to replicate DNA. PCR cannot be performed using thermostable enzymes. PCR does not require primers.

Explanation

PCR is a technique used to amplify specific DNA sequences using thermostable enzymes like Taq polymerase and primers. This follows from NCERT principle where relation explains outcome clearly for students.

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